Dahua NVR4000-4KS2/L is introduced as the Lite series NVR that supports for 4K and H.265 encoding technology with excellent performance at an affordable price. For applications where image details are highly required, it delivers the capability of 4K resolution processing. The NVR can be served as edge storage, central storage or backup storage with an intuitive shortcut operation menu for remote management and control. Due to its cost-effective and easy-to-install design, this NVR is ideal for a wide range of applications such as public safety, water conservancy, transportation, city centers, education, and financial institutions. The NVR is compatible with numerous third-party devices making it the perfect solution for surveillance systems that work independently of video management system (VMS). It features an open architecture that supports for multi-user access and is compatible with ONVIF Profile S, T, G protocol, enabling interoperability with IP cameras. More information: Processor | Built-in processor | Yes | Ports & interfaces | Ethernet LAN (RJ-45) ports | 1 |  | Ethernet LAN data rates | 10,100 Mbit/s | | HDMI ports quantity | 1 | | VGA (D-Sub) output ports | 1 | | USB 2.0 ports quantity | 2 | | Audio RCA inputs | 1 | | Audio RCA outputs | 1 | | DC-in jack | Yes | | Supported network protocols | HTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; RTSP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera; DVR; NVS; etc.); P2P; auto register | Operational conditions | Operating temperature (T-T) | -10 - 55 °C | | Operating relative humidity (H-H) | 10 - 93 % | | Storage temperature (T-T) | 0 - 40 °C | | Storage relative humidity (H-H) | 30 - 85 % | Features | Rack mounting | Yes | | Rack capacity | 1U | | Product colour | Black | | Certification | CE: EN62368-1; EN55032,EN55024, EN55035, EN61000-3-2, EN61000-3-3 EN50130-4 FCC: Part 15 Subpart B | System requirements | Mobile operating systems supported | Android, iOS | | Browser supported | Chrome; IE9+; Firefox | Power | AC input voltage | 12 V | Performance | Video input channels | 4 channels | | Maximum resolution | 3840 x 2160 pixels | | Number of simultaneously playbacked channels | 4 channels | | Video motion detection | Yes | | Multi-screen | Yes | | Audio formats supported | AAC,G.711 A-law,G.726,PCM | | Video formats supported | H.264,H.265,M-JPEG | | Operating system installed | Embedded LINUX | | Backup function | Yes | | Playback modes | Backup selection, Digital zoom, Frame by Frame, Full screen, Pause, Play, Reverse, Slow play, Stop | | Input bandwidth | 80 Mbit/s | Weight & dimensions | Width | 260 mm | | Depth | 232.5 mm | | Height | 50.3 mm | | Weight | 810 g | | Package width | 89 mm | | Package depth | 333 mm | | Package height | 315 mm | | Package weight | 1410 g | Storage | Maximum storage capacity | 10 TB | | HDD interface | SATA III | | Number of HDDs supported | 1 |
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